local mod	= DBM:NewMod(683, "DBM-TerraceofEndlessSpring", nil, 320)
local L		= mod:GetLocalizedStrings()

mod:SetRevision(("$Revision: 8411 $"):sub(12, -3))
mod:SetCreatureID(60585, 60586, 60583)--60583 Protector Kaolan, 60585 Elder Regail, 60586 Elder Asani
mod:SetModelID(41503)--Protector Kaolan, 41502 and 41504 are elders
mod:SetZone()
mod:SetUsedIcons(8, 7, 6, 5, 4, 3, 2, 1)

mod:RegisterCombat("combat")

mod:RegisterEventsInCombat(
	"SPELL_AURA_APPLIED",
	"SPELL_AURA_APPLIED_DOSE",
	"SPELL_AURA_REMOVED",
	"SPELL_CAST_START",
	"SPELL_CAST_SUCCESS"
)

--[[
--Both Elders use Overhwelming Corruption as their phase 3 ability. It's not worth warning for since it's just a periodic aoe you can't do anything about with stacking damage.
spellid = 117309 or spellid = 117227 or spellid = 111850 or spellid = 117519 and not(fulltype = SPELL_PERIODIC_DAMAGE) or spellid = 117986 or spellid = 117975 or spellid = 118077
--]]
local isDispeller = select(2, UnitClass("player")) == "MAGE"
	    		 or select(2, UnitClass("player")) == "PRIEST"
	    		 or select(2, UnitClass("player")) == "SHAMAN"

local warnPhase2					= mod:NewPhaseAnnounce(2)
local warnPhase3					= mod:NewPhaseAnnounce(3)
--Elder Asani
local warnCleansingWaters			= mod:NewTargetAnnounce(117309, 3)--Phase 1+ ability. If target scanning fails, will switch to spell announce
local warnCorruptingWaters			= mod:NewSpellAnnounce(117227, 4)--Phase 2+ ability.
--Elder Regail (Also uses Overwhelming Corruption in phase 3)
local warnLightningPrison			= mod:NewTargetAnnounce(111850, 3)--Phase 1+ ability.
local warnLightningStorm			= mod:NewSpellAnnounce(118077, 4)--Phase 2+ ability.								
--Protector Kaolan
local warnTouchofSha				= mod:NewTargetAnnounce(117519, 3, nil, mod:IsHealer())--Phase 1+ ability. He stops casting it when everyone in raid has it then ceases. If someone dies and is brezed, he casts it on them again.
local warnDefiledGround				= mod:NewSpellAnnounce(117986, 3, nil, mod:IsMelee())--Phase 2+ ability.
local warnExpelCorruption			= mod:NewSpellAnnounce(117975, 4)--Phase 3 ability.

--Elder Asani
local specWarnCleansingWaters		= mod:NewSpecialWarningTarget(117309, mod:IsTank())--It's being cast on the boss, move the boss
local specWarnCleansingWatersDispel	= mod:NewSpecialWarningDispel(117309, isDispeller)--The boss wasn't moved in time, now he needs to be dispelled.
local specWarnCorruptingWaters		= mod:NewSpecialWarningSwitch("ej5821", mod:IsDps())
--Elder Regail
local specWarnLightningPrison		= mod:NewSpecialWarningYou(111850)--Debuff you gain before you are hit with it.
local yellLightningPrison			= mod:NewYell(111850)
local specWarnLightningStorm		= mod:NewSpecialWarningSpell(118077, nil, nil, nil, true)--Since it's multiple targets, will just use spell instead of dispel warning.
--Protector Kaolan
local specWarnDefiledGround			= mod:NewSpecialWarningMove(117986, mod:IsTank())
local specWarnExpelCorruption		= mod:NewSpecialWarningSpell(117975, nil, nil, nil, true)--Entire raid needs to move.
--Minions of Fear
local specWarnCorruptedEssence		= mod:NewSpecialWarningStack(118191, true, 9)--Amount may need adjusting depending on what becomes an accepted strategy

--Elder Asani
local timerCleansingWatersCD		= mod:NewCDTimer(32.5, 117309)
local timerCorruptingWatersCD		= mod:NewNextTimer(42, 117227)
--Elder Regail
local timerLightningPrisonCD		= mod:NewCDTimer(25, 111850)
local timerLightningStormCD			= mod:NewCDTimer(42, 118077)--Shorter Cd in phase 3 32 seconds.
local timerLightningStorm			= mod:NewBuffActiveTimer(14, 118077)
--Protector Kaolan
local timerTouchOfShaCD				= mod:NewCDTimer(29, 117519)--Need new heroic data, timers confirmed for 10 man and 25 man normal as 29 and 12
local timerDefiledGroundCD			= mod:NewNextTimer(15.5, 117986, nil, mod:IsMelee())
local timerExpelCorruptionCD		= mod:NewNextTimer(38.5, 117975)--It's a next timer, except first cast. that one variates.

local countdownExpelCorruption		= mod:NewCountdown(38.5, 117975)

local berserkTimer					= mod:NewBerserkTimer(490)

mod:AddBoolOption("RangeFrame")--For Lightning Prison
mod:AddBoolOption("SetIconOnPrison", true)--For Lightning Prison (icons don't go out until it's DISPELLABLE, not when targetting is up).

local phase = 1
local totalTouchOfSha = 0
local scansDone = 0
local prisonTargets = {}
local prisonIcon = 1--Will try to start from 1 and work up, to avoid using icons you are probalby putting on bosses (unless you really fail at spreading).
local prisonDebuff = GetSpellInfo(79339)
local prisonCount = 0

local DebuffFilter
do
	DebuffFilter = function(uId)
		return UnitDebuff(uId, prisonDebuff)
	end
end

local function warnPrisonTargets()
	if mod.Options.RangeFrame then
		if UnitDebuff("player", GetSpellInfo(111850)) then--You have debuff, show everyone
			DBM.RangeCheck:Show(8, nil)
		else--You do not have debuff, only show players who do
			DBM.RangeCheck:Show(8, DebuffFilter)
		end
	end
	warnLightningPrison:Show(table.concat(prisonTargets, "<, >"))
	timerLightningPrisonCD:Start()
	table.wipe(prisonTargets)
	prisonIcon = 1
end

function mod:WatersTarget()
	scansDone = scansDone + 1
	local targetname, uId = self:GetBossTarget(60586)
	if targetname and uId then
		if UnitIsFriend("player", uId) then--He's targeting a friendly unit, he doesn't cast this on players, so it's wrong target.
			if scansDone < 15 then--Make sure no infinite loop.
				self:ScheduleMethod(0.1, "WatersTarget")--Check multiple times to find a target that isn't a player.
			end
		else--He's not targeting a player, it's definitely breeze target.
			warnCleansingWaters:Show(targetname)
			if targetname == UnitName("target") then--You are targeting the target of this spell.
				specWarnCleansingWaters:Show(targetname)
			end
		end
	else--target was nil, lets schedule a rescan here too.
		if scansDone < 15 then--Make sure not to infinite loop here as well.
			self:ScheduleMethod(0.1, "WatersTarget")
		end
	end
end

function mod:OnCombatStart(delay)
	phase = 1
	totalTouchOfSha = 0
	prisonCount = 0
	scansDone = 0
	table.wipe(prisonTargets)
	timerCleansingWatersCD:Start(10-delay)
	timerLightningPrisonCD:Start(15.5-delay)
	if self:IsDifficulty("normal10", "heroic10") then
		timerTouchOfShaCD:Start(35-delay)
	else
		timerTouchOfShaCD:Start(15-delay)
	end
	berserkTimer:Start(-delay)
end

function mod:OnCombatEnd()
	if self.Options.RangeFrame then
		DBM.RangeCheck:Hide()
	end
end

function mod:SPELL_AURA_APPLIED(args)
	if args:IsSpellID(117519) then
		totalTouchOfSha = totalTouchOfSha + 1
		warnTouchofSha:Show(args.destName)
		if totalTouchOfSha < DBM:GetGroupMembers() then--This ability will not be cast if everyone in raid has it.
			if self:IsDifficulty("normal10", "heroic10") then--Heroic is assumed same as 10 normal.
				timerTouchOfShaCD:Start()
			else
				timerTouchOfShaCD:Start(12)--every 12 seconds on 25 man. Not sure about LFR though. Will adjust next week accordingly
			end
		end
	elseif args:IsSpellID(111850) then--111850 is targeting debuff (NOT dispelable one)
		prisonTargets[#prisonTargets + 1] = args.destName
		prisonCount = prisonCount + 1
		if args:IsPlayer() then
			specWarnLightningPrison:Show()
			yellLightningPrison:Yell()
		end
		self:Unschedule(warnPrisonTargets)
		self:Schedule(0.3, warnPrisonTargets)
	elseif args:IsSpellID(117436) then--111850 is pre warning, mainly for player, 117436 is the actual final result, mainly for the healer dispel icons
		if self.Options.SetIconOnPrison then
			self:SetIcon(args.destName, prisonIcon)
			prisonIcon = prisonIcon + 1
		end
	elseif args:IsSpellID(117283) and args.destGUID == (UnitGUID("target") or UnitGUID("focus")) then -- not needed to dispel except for raid member's dealing boss. 
		specWarnCleansingWatersDispel:Show(args.destName)
	elseif args:IsSpellID(117052) then--Phase changes
		--Here we go off applied because then we can detect both targets in phase 1 to 2 transition.
		--There is some possiblity that other timers are reset or altered on phase 2-3 start. Light in case of Lightning storm Cd resetting in phase 3.
		--If any are missing that actually ALTER during a phase 2 or 3 transition they will be updated here.
		if phase == 2 then
			if args:GetDestCreatureID() == 60585 then--Elder Regail
				timerLightningStormCD:Start(25.5)--Starts 25.5~27
			elseif args:GetDestCreatureID() == 60586 then--Elder Asani
				timerCorruptingWatersCD:Start(10)
			elseif args:GetDestCreatureID() == 60583 then--Protector Kaolan
				timerDefiledGroundCD:Start(5)
			end
		elseif phase == 3 then
			if args:GetDestCreatureID() == 60583 then--Elder Regail
				timerLightningStormCD:Start(9.5)--His LS cd seems to reset in phase 3 since the CD actually changes.
			elseif args:GetDestCreatureID() == 60583 then--Protector Kaolan
				timerExpelCorruptionCD:Start(5)--5-10 second variation for first cast.
--				countdownExpelCorruption:Start(5)--There seems to be a variation on when he casts first one, but ONLY first one has variation
			end
		end
	elseif args:IsSpellID(118191) then
		if args:IsPlayer() then
			if (args.amount or 1) >= 9 then
				specWarnCorruptedEssence:Show(args.amount)
			end
		end
	end
end
mod.SPELL_AURA_APPLIED_DOSE = mod.SPELL_AURA_APPLIED

function mod:SPELL_AURA_REMOVED(args)
	if args:IsSpellID(117519) then
		totalTouchOfSha = totalTouchOfSha - 1
	elseif args:IsSpellID(117436) then
		prisonCount = prisonCount - 1
		if prisonCount == 0 and self.Options.RangeFrame then
			DBM.RangeCheck:Hide()
		end
		if self.Options.SetIconOnPrison then
			self:SetIcon(args.destName, 0)
		end
	end
end

function mod:SPELL_CAST_START(args)
	if args:IsSpellID(117309) then
		scansDone = 0
		self:WatersTarget()
		timerCleansingWatersCD:Start()
	elseif args:IsSpellID(117975) then
		warnExpelCorruption:Show()
		specWarnExpelCorruption:Show()
		timerExpelCorruptionCD:Start()
		countdownExpelCorruption:Start(38.5)
	elseif args:IsSpellID(117227) then
		warnCorruptingWaters:Show()
		specWarnCorruptingWaters:Show()
		timerCorruptingWatersCD:Start()
	elseif args:IsSpellID(118077) then
		warnLightningStorm:Show()
		specWarnLightningStorm:Show()
		if phase == 3 then
			timerLightningStormCD:Start(32)
		else
			timerLightningStormCD:Start(41)
		end
	end
end

function mod:SPELL_CAST_SUCCESS(args)
	if args:IsSpellID(117986) then
		warnDefiledGround:Show()
		timerDefiledGroundCD:Start()
		if args.sourceName == UnitName("target") then 
			specWarnDefiledGround:Show()
		end
	elseif args:IsSpellID(117052) and phase < 3 then--Phase changes
		phase = phase + 1
		--We cancel timers for whatever boss just died (ie boss that cast the buff, not the ones getting it)
		if args:GetSrcCreatureID() == 60585 then--Elder Regail
			timerLightningPrisonCD:Cancel()
			timerLightningStormCD:Cancel()
			if self.Options.RangeFrame then
				DBM.RangeCheck:Hide()
			end
		elseif args:GetSrcCreatureID() == 60586 then--Elder Asani
			timerCleansingWatersCD:Cancel()
			timerCorruptingWatersCD:Cancel()
		elseif args:GetSrcCreatureID() == 60583 then--Protector Kaolan
			timerTouchOfShaCD:Cancel()
			timerDefiledGroundCD:Cancel()
		end
	end
end
